6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a

General

Target

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Size

3.1MB
MD5

5a437c5354580759ec98193b37ee9717
SHA1

37b9344ac53d66acdc47c4ec81d5d90ef8fd6473
SHA256

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a
SHA512

2938ad45ecd8b53a414d993a5d3774855bb47c655747d207ae63a71eb06410149399a4e500b8b8f514850c49a12fffe4b04d5aa82a0d5383e3506c4388563bac
SSDEEP

98304:qWubjvL8Qe073bgIIAhrTn7mvkkPAfvVq:q5ZeWIAh30kkMvVq

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32\ = "C:\\Program Files (x86)\\cosstminn\\zLx06ry.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exeregsvr32.exeregsvr32.exe

pid process

1964 6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
852 regsvr32.exe
752 regsvr32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops Chrome extension 3 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljdaahnobaaejfkfpmiijmkkidncceaa\2.0\manifest.json	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljdaahnobaaejfkfpmiijmkkidncceaa\2.0\manifest.json	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ljdaahnobaaejfkfpmiijmkkidncceaa\2.0\manifest.json	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\NoExplorer = "1"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ = "cosstminn"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\NoExplorer = "1"	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Windows\System32\GroupPolicy	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Drops file in Program Files directory 8 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\cosstminn\zLx06ry.dll	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Program Files (x86)\cosstminn\zLx06ry.tlb	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Program Files (x86)\cosstminn\zLx06ry.tlb	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Program Files (x86)\cosstminn\zLx06ry.dat	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Program Files (x86)\cosstminn\zLx06ry.dat	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File opened for modification	C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
File created	C:\Program Files (x86)\cosstminn\zLx06ry.dll	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Modifies registry class 64 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ProgID\ = "cosstminn.2.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Implemented Categories	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\ = "cosstminn"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ProgID\ = "cosstminn.2.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID\ = "{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ProgID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0\CLSID\ = "{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID\ = "cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ = "cosstminn"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn.2.0\CLSID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\ProgID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cosstminn.cosstminn\CLSID\ = "{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\VersionIndependentProgID\ = "cosstminn"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\cosstminn"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2}\Programmable	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

pid	process
1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	pid	process
Token: SeDebugPrivilege	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Token: SeDebugPrivilege	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exeregsvr32.exe

description	pid	process	target process
PID 1964 wrote to memory of 852	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 1964 wrote to memory of 852	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 1964 wrote to memory of 852	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 1964 wrote to memory of 852	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 1964 wrote to memory of 852	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 1964 wrote to memory of 852	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 1964 wrote to memory of 852	1964	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe	regsvr32.exe
PID 852 wrote to memory of 752	852	regsvr32.exe	regsvr32.exe
PID 852 wrote to memory of 752	852	regsvr32.exe	regsvr32.exe
PID 852 wrote to memory of 752	852	regsvr32.exe	regsvr32.exe
PID 852 wrote to memory of 752	852	regsvr32.exe	regsvr32.exe
PID 852 wrote to memory of 752	852	regsvr32.exe	regsvr32.exe
PID 852 wrote to memory of 752	852	regsvr32.exe	regsvr32.exe
PID 852 wrote to memory of 752	852	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{F8F2C0FE-6535-84FD-54F3-FD4024F7ABB2} = "1"	6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe

C:\Users\Admin\AppData\Local\Temp\6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe
"C:\Users\Admin\AppData\Local\Temp\6e94bd7a2cb111e71e379fb8af6a5ff6706f1d797fbd40ad311f9bd47897681a.exe"
1⤵
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1964

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\cosstminn\zLx06ry.dat

Filesize
4KB

MD5
bd17def5ad8f3d19176401d6e85dd130

SHA1
952b15f1f6b07a3397c0210d872ac4dedd39a47b

SHA256
201b72f7d046ee9fa8618beccc386b871c31b0b73f2f2383b9999712a1217285

SHA512
7bf6ea6c10b776c2ba9e7da54df5ebbaf3c097ec8148d832d32f91092329e39a15964648cf4335a22953244e9e01a29972ee7991c7160fa2a26f52de36b3dddf

Download Submit
C:\Program Files (x86)\cosstminn\zLx06ry.tlb

Filesize
3KB

MD5
4aaac5bdfd389acc2fef6f90b968d8eb

SHA1
0648a3524009d361480cb497d1b842d462a354c7

SHA256
dd7cbb20981929ef6ae7ba1b6e50a8dd73309a2715caddae3d1b426d9318817e

SHA512
c82a8d46e57b498774b70d91d0212f34278b440fda4308c6e27e8763341630bee0553a8db66445a63126fd9feb1de036fe1f11e92eb429d39c009c20cb35da3a

Download Submit
C:\Program Files (x86)\cosstminn\zLx06ry.x64.dll

Filesize
687KB

MD5
d1bfb50a3b3b04c79d5954ddaa7b63c0

SHA1
8aa33e704752d0e6508d0f45894b2a8f8476e555

SHA256
d7d1337b335e9479ff48cfdb8610d557139353767cdc38d4e3aa4a79880593ef

SHA512
ecfe78d99ec67e08af56d186ab1bd4bdf6d7d4f3c88a689d81ac532f2b5731198dfce3285c966954b3d7e0fb2afef05b5d66e960ab2e7da67cfc444c204839af

Download Submit
\Program Files (x86)\cosstminn\zLx06ry.dll

Filesize
610KB

MD5
e6b1dcd76c32ee9d165867e9e264070c

SHA1
e27d03c15751ee9a57f4177fca5de359b8d36d4e

SHA256
7745c83eaf3ea86601740479c8be95ffc0ea4b8d4975829cd415034e398ff60a

SHA512
43f8621d6ea3030c2cfdf329b911526c7a25abec2442309c3bfe40dd5726d1fe371a4f621016529fb1bfa73578bb5eb5babcac70939bc274073614919b9970e5

Download Submit
\Program Files (x86)\cosstminn\zLx06ry.x64.dll

Filesize
687KB

MD5
d1bfb50a3b3b04c79d5954ddaa7b63c0

SHA1
8aa33e704752d0e6508d0f45894b2a8f8476e555

SHA256
d7d1337b335e9479ff48cfdb8610d557139353767cdc38d4e3aa4a79880593ef

SHA512
ecfe78d99ec67e08af56d186ab1bd4bdf6d7d4f3c88a689d81ac532f2b5731198dfce3285c966954b3d7e0fb2afef05b5d66e960ab2e7da67cfc444c204839af

Download Submit
\Program Files (x86)\cosstminn\zLx06ry.x64.dll

Filesize
687KB

MD5
d1bfb50a3b3b04c79d5954ddaa7b63c0

SHA1
8aa33e704752d0e6508d0f45894b2a8f8476e555

SHA256
d7d1337b335e9479ff48cfdb8610d557139353767cdc38d4e3aa4a79880593ef

SHA512
ecfe78d99ec67e08af56d186ab1bd4bdf6d7d4f3c88a689d81ac532f2b5731198dfce3285c966954b3d7e0fb2afef05b5d66e960ab2e7da67cfc444c204839af

Download Submit
memory/752-84-0x000007FEFBFE1000-0x000007FEFBFE3000-memory.dmp

Filesize
8KB

Download
memory/752-83-0x0000000000000000-mapping.dmp

Download
memory/852-79-0x0000000000000000-mapping.dmp

Download
memory/1964-65-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-73-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-70-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-69-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-71-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-72-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-75-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-76-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-74-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-68-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-77-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-66-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-67-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-54-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

Download
memory/1964-64-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-62-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-63-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-61-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-60-0x0000000000522000-0x0000000000526000-memory.dmp

Filesize
16KB

Download
memory/1964-55-0x0000000000450000-0x00000000004F1000-memory.dmp

Filesize
644KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads